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48. Solving for Rates What annual rate of return is earned on a $200 investment when it
grows to $850 in 10 years?
49. Solving for Rates What annual rate of return is earned on a $5,000 investment when it
grows to $7,000 in six years?
50. Solving for Rates What annual rate of return is earned on a $900 investment when it
grows to $2,500 in 15 years?
51. Solving for Rates What annual rate of return is earned on a $10,000 investment when it
grows to $15,000 in 10 years?
52. Solving for Time How many years will it take $1 million to grow to $3 million with an
annual interest rate of 7 percent?
53. Solving for Time How many years will it take $100 to grow to $1,000 with an annual
interest rate of 8 percent?
54. Solving for Time How many years will it take $200 to grow to $250 with an annual
interest rate of 4 percent?
55. Solving for Time How long will it take $3,000 to reach $5,000 when it grows at 7 percent
per year?
56. Solving for Time How long will it take $100 to reach $500 when it grows at 10 percent
per year?
57. Solving for Time How long will it take $4,000 to reach $4,500 when it grows at 8 percent
per year?
58. Future Value At age 20 you invest $1,000 that earns 7 percent each year. At age 30 you
invest $1,000 that earns 10 percent per year. In which case would you have more money at age
60?
59. Future Value At age 25 you invest $2,000 that earns 6 percent each year. At age 35 you
invest $2,000 that earns 9 percent per year. In which case would you have more money at age
60?
60. Solving for Rates You invested $1,000 in the stock market one year ago. Today, the
investment is valued at $750. What return did you earn? What return would you need to get next
year to break even overall?
61. Solving for Rates You invested $5,000 in the stock market one year ago. Today, the
investment is valued at $4,500. What return did you earn? What return would you need to get
next year to break even overall?
62. Solving for Rates You invested $1,000 in the stock market one year ago. Today, the
investment is valued at $1,250. What return did you earn? What return would you suffer next year
for your investment to be valued at the original $1,000?
63. Solving for Rates You invested $5,000 in the stock market one year ago. Today, the
investment is valued at $5,500. What return did you earn? What return would you suffer next year
for your investment to be valued at the original $5,000?
64. Solving for Rates What annual rate of return is earned on a $4,000 investment made in
year 2 when it grows to $8,000 by the end of year 8?
65. Solving for Rates What annual rate of return is earned on a $2,000 investment made in
year 3 when it grows to $3,000 by the end of year 6?
66. Solving for Rates What annual rate of return is implied on a $1,000 loan taken next year
when $1,500 must be repaid in year 5?
67. Solving for Rates What annual rate of return is implied on a $700 loan taken next year
when $800 must be repaid in year 3?
